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2009-04-17MOV8rr_NOREX is a "Move" instruction. This doesn't currentlyDan Gohman
matter, because this instruction isn't generated until after things that care. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69336 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-17Don't use MOV8rr_NOREX on x86-32. It doesn't actually hurt anything atDan Gohman
present, but it's inconsistent. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69335 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-17Fix some failures in targets on available_externally functions,Chris Lattner
this fixes a crash on CodeGen/Generic/externally_available.ll on ppc hosts. Thanks to Nicholas L for pointing this out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69333 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Use TargetData::getTypeSizeInBits instead of getPrimitiveSizeInBits()Dan Gohman
to get the correct answer for pointer types. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69321 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16make sure to unlock keymgr if the JIT is created and destroyed, allChris Lattner
locks must be matched with unlocks. Also, use calloc to allocate the block so that it is properly zero'd. Thanks to Nick Kledzik for tracking this down. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69314 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Fix for PR3944: make mem2reg O(N) instead of O(N^2) in the number of Eli Friedman
incoming edges for a block with many predecessors. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69312 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Handle a pointer type correctly in SCEVExpander::visitAddRecExpr.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69310 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16In the list-burr's pseudo two-addr dependency heuristics, don'tDan Gohman
add dependencies on nodes with exactly one successor which is a COPY_TO_REGCLASS node. In the case that the copy is coalesced away, the dependence should be on the user of the copy, rather than the copy itself. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69309 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Handle SUBREG_TO_REG instructions with the same heuristicsDan Gohman
as INSERT_SUBREG instructions in the list-burr scheduler. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69308 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Fix a bug with inttoptr/ptrtoint casts where the pointer has a differentDan Gohman
size from the integer, requiring zero extension or truncation. Don't create ZExtInsts with pointer types. This fixes a regression in consumer-jpeg. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69307 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Do not treat beginning of inlined scope as beginning of normal function ↵Devang Patel
scope if the location info is missing. Insetad of doing ... if (inlined_subroutine && known_location) DW_TAG_inline_subroutine else DW_TAG_subprogram do if (inlined_subroutine) { if (known_location) DW_TAG_inline_subroutine } else { DW_TAG_subprogram } git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69300 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Minor code simplifications. Don't attempt LSR on theoreticalDan Gohman
targets with pointers larger than 64 bits, due to the code not yet being APInt clean. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69296 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16LSR is no longer a GEP optimizer. It is now an IV expressionDan Gohman
optimizer, which just happen to frequently involve optimizing GEPs. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69295 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Fix SCEVExpander::visitSMaxExpr and SCEVExpander::visitUMaxExpr toDan Gohman
not create ICmpInsts with operands of different types. This fixes a regression in Applications/d/make_dparser. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69294 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Teach SCEVExpander::InsertCastOfTo to avoid creating inttoptr-of-ptrtointDan Gohman
and ptrtoint-of-inttoptr expressions. This fixes a regression in 300.twolf. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69293 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Use ConstantExpr::getIntToPtr instead of SCEVExpander::InsertCastOfTo,Dan Gohman
since the operand is always a constant. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69291 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Use a SCEV expression cast instead of immediately inserting aDan Gohman
new instruction with SCEVExpander::InsertCastOfTo. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69290 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Record line number at the beginning of a func.start.Devang Patel
This line was accidently lost yesterday. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69286 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16fix PR3995. A scale must be 1, 2, 4 or 8.Rafael Espindola
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69284 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16Expand GEPs in ScalarEvolution expressions. SCEV expressions can nowDan Gohman
have pointer types, though in contrast to C pointer types, SCEV addition is never implicitly scaled. This not only eliminates the need for special code like IndVars' EliminatePointerRecurrence and LSR's own GEP expansion code, it also does a better job because it lets the normal optimizations handle pointer expressions just like integer expressions. Also, since LLVM IR GEPs can't directly index into multi-dimensional VLAs, moving the GEP analysis out of client code and into the SCEV framework makes it easier for clients to handle multi-dimensional VLAs the same way as other arrays. Some existing regression tests show improved optimization. test/CodeGen/ARM/2007-03-13-InstrSched.ll in particular improved to the point where if-conversion started kicking in; I turned it off for this test to preserve the intent of the test. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69258 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16In -fast mode do what FastISel does.Devang Patel
This code could use some refactoring help! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69254 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16If FastISel is run and it has known DebugLoc then use it.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69253 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-16If location where the function was inlined is not know then do not emit ↵Devang Patel
debug info describing inlinied region. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69252 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Eliminate zext over (iv | const) or (signed iv),Dale Johannesen
and sext over (iv | const), if a longer iv is available. Allow expressions to have more than one zext/sext parent. All from OpenSSL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69241 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15s/RootDbgScope/FunctionDbgScope/gDevang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69216 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Eliminate zext over (iv & const) or ((iv+const)&const)Dale Johannesen
if a longer iv is available. These subscript forms are not common; they're a bottleneck in OpenSSL. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69215 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15teach EscapeString and UnescapeString to handle ".Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69211 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Add DISubprogram is not null check.Devang Patel
This fixes test/CodeGen//2009-01-21-invalid-debug-info.m test case. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69210 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Generalize one of the SelectionDAG::ReplaceAllUsesWith overloadsDan Gohman
to support replacing a node with another that has a superset of the result types. Use this instead of calling ReplaceAllUsesOfValueWith for each value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69209 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Fix 80-column violations.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69204 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Add a folding table entry for MOV8rr_NOREX.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69203 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Check isInlinedSubroutine() before creating DW_TAG_inlined_subroutine.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69202 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Fix MachineInstr::getNumExplicitOperands to countDan Gohman
variadic operands correctly. Patch by Jakob Stoklund Olesen! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69190 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Limit the number of times we're willing to chase pointers. Removes an O(n^2)Nick Lewycky
problem from instcombine. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69151 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Fix X86MachineFunctionInfo's doxygen comment.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69127 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Move MachineRegisterInfo::setRegClass out of line.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69126 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Move MachineJumpTableInfo::ReplaceMBBInJumpTables out of line.Dan Gohman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69125 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Give RemoveRegOperandFromRegInfo a comment and move theDan Gohman
code out of line. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69124 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Enhance induction variable code to remove theDale Johannesen
sext around sext(shorter IV + constant), using a longer IV instead, when it can figure out the add can't overflow. This comes up a lot in subscripting; mainly affects 64 bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69123 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Avoid making the transformation enabled by my last patch if the new ↵Evan Cheng
destinations have phi nodes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69121 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15While inlining, clone llvm.dbg.func.start intrinsic and adjust Devang Patel
llvm.dbg.region.end instrinsic. This nested llvm.dbg.func.start/llvm.dbg.region.end pair now enables DW_TAG_inlined_subroutine support in code generator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69118 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Construct and emit DW_TAG_inlined_subroutine DIEs for inlined subroutine ↵Devang Patel
scopes (only in FastISel mode). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69116 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Do for GR16_NOREX what r69049 did for GR8_NOREX, to avoid trouble withDan Gohman
the local register allocator. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69115 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Add a method to check that the subprogram holds debug info for the given ↵Devang Patel
Function or not. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69113 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15Add a new MOV8rr_NOREX, and make X86's copyRegToReg use it whenDan Gohman
either the source or destination is a physical h register. This fixes sqlite3 with the post-RA scheduler enabled. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69111 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-15GR8_NOREX can contain the H registers, since they don't requireDan Gohman
REX prefixes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69108 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-14Optimize conditional branch on i1 phis with non-constant inputs.Evan Cheng
This turns: eq: %3 = icmp eq i32 %1, %2 br label %join ne: %4 = icmp ne i32 %1, %2 br label %join join: %5 = phi i1 [%3, %eq], [%4, %ne] br i1 %5, label %yes, label %no => eq: %3 = icmp eq i32 %1, %2 br i1 %3, label %yes, label %no ne: %4 = icmp ne i32 %1, %2 br i1 %4, label %yes, label %no git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69102 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-14For the h-register addressing-mode trick, use the correct value forDan Gohman
any non-address uses of the address value. This fixes 186.crafty. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69094 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-14Mac OS X 10.6 and above do not use key manager to register EH frames.Evan Cheng
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69090 91177308-0d34-0410-b5e6-96231b3b80d8
2009-04-14When the result of an EXTRACT_SUBREG, INSERT_SUBREG, or SUBREG_TO_REGDan Gohman
operator is used by a CopyToReg to export the value to a different block, don't reuse the CopyToReg's register for the subreg operation result if the register isn't precisely the right class for the subreg operation. Also, rename the h-registers.ll test, now that there are more than one. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69087 91177308-0d34-0410-b5e6-96231b3b80d8
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